Gaya APA
Hudson, R.A. (1980).
Sociolinguistics .
USA:
Cambridge University Press.
Gaya Chicago
Hudson, R.A.
Sociolinguistics.
USA:
Cambridge University Press,
1980.
Text.
Gaya MLA
Hudson, R.A.
Sociolinguistics.
USA:
Cambridge University Press,
1980.
Text.
Gaya Turabian
Hudson, R.A.
Sociolinguistics.
USA:
Cambridge University Press,
1980.
Print.